杜仲为我国珍贵木本药材,近年来由于价格上涨较快,野生资源几乎毁灭殆净,因其人工栽培容易,具经济价值较高,可利用年限较长,许多乡镇、农户将其做为重要致富门路,有的甚至腾出好田好地,大力兴办杜仲基地,导致杜仲苗木需求大增。杜仲繁殖,过去多采用播种育苗,但由于老树多被剥皮后砍伐,种子奇缺,价格昂贵,使繁 Eucommia is a precious woody medicinal material in China. In recent years, due to rapid price increases, wild resources are almost destroyed. Because of its easy artificial cultivation, high economic value and long useful life, many townships and farmers regard it as important Rich roads, and some even made a good field, vigorously set up Eucommia base, resulting in the demand for Eucommia seedlings surge. Eucommia multiplication, in the past the use of sowing seedlings, but more than the old tree after being deforested, lack of seeds, expensive, so that